Scientific data near [65.06668,-147.46196]

Search area extends approximately 2.2 km east-west and 5.3 km north-south.

Geographic context

Counties, states, countries, continents, or oceans
Fairbanks North Star	Borough
Alaska	state
United States	country
North America	continent
Land	continent
Map quadrangles, from USGS or Canadian NTS
Livengood A-1	1:63,360 Alaska quadrangle
Livengood	1:250,000 Alaska quadrangle
Watershed boundaries (USGS hydrologic units)
Tolovana River	hydrologic unit
190405	hydrologic accounting unit
Southwest Alaska	hydrologic subregion
Alaska	hydrologic region

Geology of US states

Digital geologic maps of the US states with consistent lithology, age, GIS database structure, and format

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Map symbol	Lithology	Unit name
Pze	Metamorphic	Eclogite and associated rocks
Pze	Metamorphic	Eclogite and associated rocks
PzPxyqs	Metamorphic	Quartzite and pelitic schist
Qs	Unconsolidated	Unconsolidated surficial deposits, undivided

Airborne geophysical surveys

Aerial surveys of magnetic anomaly and gamma ray emission; older surveys were analog record which have been digitized, newer surveys collected data in digital form.

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ID	Data type	Description
Alaska Regional	M-Dz	Alaska Regional 14484 line km with spacing 16.10 km over parts of AK
Northeast Alaska '73	M-D	Northeast Alaska '73 25044 line km with spacing 1.60 km over parts of AK
Big Delta-Fairbanks	M-Dz	Big Delta-Fairbanks 25749 line km with spacing 1.20 km over parts of AK
Fairbanks EM West	M-D	Fairbanks EM West 5385 line km with spacing 0.40 km over parts of AK
Fairbanks 1994	M/EM-D	Fairbanks 1994 4325 line km with spacing 0.40 km over parts of AK

Estimates of undiscovered mineral resources

National Mineral Resource Assessment 1998: Estimates of the number of undiscovered mineral resources of gold, silver, copper, lead, and zinc within identified permissive tracts (geographic areas in which mineral deposits may form).

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Tract	Deposit Type	Mineralization age
AK-EC05	Au-Sb veins
AK-EC07	Low-sulfide Au-quartz veins
AK-EC08	Low-sulfide Au-quartz veins
AK-EC13	Porphyry Cu, BC-Ak type
AK-EC14	Plutonic porphyry Au
AK-EC18	Polymetallic vein
AK-EC15	Placer Au

The continental crust

Seventy-seven major components of the North American continent were delineated at a general scale (1:5,000,000); including the general composition, geological environment, and types of primary metals endowments that can be expected in each domain.

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Domain	Crust type	Region
Yukon-Tanana lower	Passive margin	Alaska

Radiometric ages of rocks from Alaska

Radiometric ages of rocks or minerals sampled from Alaska. The data were collected from professional publications and/or received from researchers and used by permission.

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Record	Type	Comment
LK8-10-8

Alaska Geochemical Database, Version 2.0 (AGDB2)--including "best value" data compilations for rock, sediment, soil, mineral, and concentrate sample media

Geochemical analyses of rocks, mineral separates, bulk samples from lake and stream sediments, heavy mineral concentrates, and soils collected by USGS from 1962 to 2009.

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Lab ID	Sample medium	Description
C222108	soil
C222109	soil
C222110	soil
C222111	soil
C234546	rock
F000853	rock	metamorphic unspecified
F000855	rock
F000856	rock
F000857	rock
F000858	rock
F000859	rock
F000860	rock
F000861	rock
F003293	rock	igneous unspecified
F003294	rock	metamorphic marble
F003389	rock	metamorphic unspecified

National Geochemical Database: Rock

Geochemical analysis of rock samples collected and analyzed by the USGS. This dataset includes and supersedes rock data formerly released as "Geochemistry of igneous rocks in the US extracted from the PLUTO database"

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Sample ID	Rock type	Rock name
F000853	metamorphic	unspecified
F000855	unspecified
F000856	unspecified
F000859	unspecified
F000860	unspecified
F000861	unspecified
F003293	igneous	unspecified
F003294	metamorphic	marble
F003389	metamorphic	unspecified

Mineral Resource Data System

MRDS describes metallic and nonmetallic mineral resources throughout the world. Included are deposit name, location, commodity, deposit description, geologic characteristics, production, reserves, resources, and references.

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Site name	Development	Commodities
Chechako No. 1	Past Producer	AU AG CU PB SB ZN
Steil	Prospect	SB
Herschberger	Prospect	AU
Johnson	Prospect	SB W
Willow Creek	Prospect	SB AU SN W
Tolovana	Past Producer	AU AG SB W
Tolovana Mine	Past Producer	AU SB AG W
Stibnite	Prospect	AG PB SB AU
Johnson Prospect	Occurrence	SB
Willow Creek Prospect	Occurrence	SN W AU SB
Willow Creek	Occurrence	W AU SN
Herschberger, Beall and Phipps	Past Producer	AU SB AG W
Rv	Past Producer	AU
Moore-Sheldon	Occurrence	SB
Johnson	Occurrence	W SB AU SN
Marshall Dome	Occurrence	AU
The Creeks	Past Producer	AU
D & H Mine	Past Producer	PB AG
Willow Creek Mine	Past Producer	AG SB AU PB ZN
Tolovana	Occurrence	W SB AU AG

Alaska Resource Data File

A comprehensive database of Alaskan mineral deposits compiled from the published literature and from unpublished reports and data from industry, the US Bureau of Land Management, and USGS.

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Site	Status	Commodities
Johnson; Johnson and Martin	Active	Sb
Willow Creek	Active	Sb
RV	Inactive	Au
Newsboy Extension	Inactive	Au
Steil	Inactive	Sb
Moore-Sheldon	Inactive	Sb
Stibnite	Active	Ag;Pb;Sb
Chechako No. 1; Eldorado; Weston...	Inactive	Au
Herschberger; Beall; Phipps	Active	Au
Marshall Dome	Inactive	Au

National Geochemical Database: Soil

Geochemical analysis of soil samples from the National Geochemical Database. Primarily inorganic elemental concentrations, most samples are from the continental US and Alaska.

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Sample ID	Sample source	Sample notes
C222108	tundra/alpine tundra	A-HORIZON SOIL
C222109	tundra/alpine tundra	B-HORIZON SOIL
C222110	tundra/alpine tundra	C-HORIZON SOIL
C222111	tundra/alpine tundra	WEATHERED SCHIST--TREAT AS SOIL

Global assessment of undiscovered copper resources

Deposits, prospects, and permissive tracts for porphyry and sediment-hosted copper resources worldwide, with estimates of undiscovered copper resources.

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Tract name	Deposit type	Geology
Yukon-Tanana Upland	porphyry copper	Kluane Arc and Tertiary Kuskokwim Mountains volcanic-plutonic belt (continuation of Canadian Cordilleran continental arc); north of the Denali Fault
Chukotka	porphyry copper	Early to Late Cretaceous volcanic and intrusive rocks composing island-arc, continental-arc, and collisional magmatic belts associated with the Chukotka microcontinent.
Pacific Margin	porphyry copper	Cretaceous through middle Tertiary volcanic and intrusive rocks representing a series of continental- and island-arc systems accreted and superimposed onto the paleomargin of northeast Asia.

Prospect- and mine-related features on USGS topographic maps

Symbols indicating mining-related features digitized from historical USGS topographic maps in the western part of the conterminous US. Includes prospect pits, mine shafts and adits, quarries, open-pit mines, tailings piles and ponds, gravel and borrow pit

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Feature ID	Feature type	Feature name
Prospect Pit	point
Open Pit Mine	polygon
Open Pit Mine	polygon
Open Pit Mine	polygon
Open Pit Mine	polygon
Open Pit Mine	polygon
Tailings - Undifferentiated	polygon	Cleary Hill Mine
Tailings - Undifferentiated	polygon	Cleary Hill Mine